// 用户评价表 (UserReview.java)
package mock;
import lombok.Builder;
import lombok.Data;
import java.time.LocalDateTime;
@Data @Builder
public class UserReview {
    private Integer reviewId;
    private Integer userId;
    private Integer productId;
    private LocalDateTime reviewTime;
    private Integer score;
    private String content;
    private Integer helpfulVotes;
}